CN201425570Y - Device for measuring dust concentration - Google Patents
Device for measuring dust concentration Download PDFInfo
- Publication number
- CN201425570Y CN201425570Y CN200920091526XU CN200920091526U CN201425570Y CN 201425570 Y CN201425570 Y CN 201425570Y CN 200920091526X U CN200920091526X U CN 200920091526XU CN 200920091526 U CN200920091526 U CN 200920091526U CN 201425570 Y CN201425570 Y CN 201425570Y
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- CN
- China
- Prior art keywords
- light
- dust
- housing
- measuring
- optical receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to a device for measuring dust concentration. The device comprises a closed encapsulation casing with a light source emitter arranged therein; a measuring terminal optical receiver is arranged in the light path of the light source emitter; a dust measuring port intercross with the light path between the light source emitter and the measuring terminal optical receiver is formed on the casing and is communicated with the outside; and a light-outlet hole and a light-inlet hole are correspondingly formed on the side wall of the dust measuring port. The device is used forsolving the problem that the prior dust concentration on-line measuring device needs replace a filter device periodically.
Description
Technical field
The utility model relates to a kind of powder concentration measurement device, belongs to electronic measuring device.
Background technology
Conventional online formula powder concentration measurement device mainly is that the mixed gas that adopts air extractor will have dust is extracted into the measurement passage, then its dust concentration is measured, and mixed gas is extracted out at last again and is gone.It is this that to measure the shortcoming of dust concentration be conspicuous by extracting sample gas; because the gas that extracts is the mixed gas with dust; but most electronic components do not have dust reduction capability; be the protection components and parts; powder filtering filtration in the mix dust gas after measuring need be fallen; this just needs to install filtration units such as filter membrane; but after filter membrane works long hours; dust will bulk deposition; if untimely replacing, the measurement passage of bleeding will seriously stop up and cause and can not normally measure, and promptly needs the size cases according to the measurement environment dust concentration; the periodic replacement filter membrane, this will be great inconvenience for the on-line measurement instrument.
The utility model content
The purpose of this utility model provides a kind of powder concentration measurement device that uses in the tested gaseous environment that directly is placed on, with solving the problem that existing dust concentration on-line measurement device need regularly replace filtration unit.
For achieving the above object, the utility model adopts following technical scheme: a kind of powder concentration measurement device, this device comprises an airtight encapsulating housing, be provided with the light emitted device in this housing, on the light path of light emitted device, be provided with the measuring junction optical receiver, have the dust measurement mouth that intersects with light emitted device to the light path of measuring junction optical receiver on the described housing, this dust measurement mouth is in communication with the outside, and correspondence is provided with light hole and light well on the sidewall of dust measurement mouth.
Described dust measurement mouth is the breach vertical perforation, that Open Side Down that is formed to the housing sunken inside by the housing outer wall.
The wall of described breach two side is positive splayed and tilts.
The inwall of described housing is provided with light-absorbing coating.
The utility model needn't be gone again and be extracted sample gas and gather the dust concentration value signal, so need not be equipped with air extractor, does not also have problems such as filtration unit and periodic replacement filter membrane are installed certainly, has really realized monitoring the function of dust concentration full-automatic, non-maintainingly.The utility model is simple and practical, volume is small and exquisite, be convenient to assembling, and cost is low, uses more conveniently, is applicable under the coal mine, the dust measuring of occasions such as mine, plant working place, is particularly suitable for using in the mine that contains gas or coal dust explosion hazard.
In addition, dust measurement mouth of the present utility model is arranged to the breach that Open Side Down, and make the breach two side be positive splayed inclination, and played the effect that prevents light hole and light well position laying dust, guaranteed the signal collected dust concentration that can really reflect tested place; This device is provided with light-absorbing coating on the inwall of closed cavity, can absorb unnecessary refracted ray, has guaranteed the accuracy of measuring.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
In conjunction with Fig. 1 the utility model is described: a kind of powder concentration measurement device, this device comprises that an inwall is provided with the airtight encapsulating housing 3 of light-absorbing coating, be provided with laser instrument 1 in this housing 3, the light path of laser instrument 1 is provided with measuring junction optical receiver 2, has the dust measurement mouth 4 that intersects with laser instrument 1 to the light path of measuring junction optical receiver 2 on the described housing 3, this dust measurement mouth 4 is vertical perforations of being formed to the housing sunken inside by the housing outer wall, the positive splayed of being the breach that Open Side Down, the wall of described breach two side tilt and the two side on correspondence be provided with light hole 5 and light well 6.
Claims (4)
1. powder concentration measurement device, it is characterized in that: this device comprises an airtight encapsulating housing, be provided with the light emitted device in this housing, on the light path of light emitted device, be provided with the measuring junction optical receiver, has the dust measurement mouth that intersects with light emitted device to the light path of measuring junction optical receiver on the described housing, this dust measurement mouth is in communication with the outside, and correspondence is provided with light hole and light well on the sidewall of dust measurement mouth.
2. powder concentration measurement device according to claim 1 is characterized in that: described dust measurement mouth is the breach vertical perforation, that Open Side Down that is formed to the housing sunken inside by the housing outer wall.
3. powder concentration measurement device according to claim 2 is characterized in that: the wall of described breach two side is positive splayed and tilts.
4. powder concentration measurement device according to claim 1 is characterized in that: the inwall of described housing is provided with light-absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920091526XU CN201425570Y (en) | 2009-05-26 | 2009-05-26 | Device for measuring dust concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920091526XU CN201425570Y (en) | 2009-05-26 | 2009-05-26 | Device for measuring dust concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425570Y true CN201425570Y (en) | 2010-03-17 |
Family
ID=42025021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920091526XU Expired - Lifetime CN201425570Y (en) | 2009-05-26 | 2009-05-26 | Device for measuring dust concentration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425570Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760073A (en) * | 2014-01-08 | 2014-04-30 | 大连理工大学 | Device and testing method for simulating indoor dust flying-off and settling property |
| CN104792671A (en) * | 2014-06-12 | 2015-07-22 | 南京环康电子科技有限公司 | Particle measuring device and measuring method |
-
2009
- 2009-05-26 CN CN200920091526XU patent/CN201425570Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760073A (en) * | 2014-01-08 | 2014-04-30 | 大连理工大学 | Device and testing method for simulating indoor dust flying-off and settling property |
| CN103760073B (en) * | 2014-01-08 | 2015-10-28 | 大连理工大学 | The method of testing of the device of dust dispersion settling character in a kind of simulating chamber |
| CN104792671A (en) * | 2014-06-12 | 2015-07-22 | 南京环康电子科技有限公司 | Particle measuring device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEZHOU GUANGLI SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGLI SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD., ZHENGZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 10 Hi Road, Zhengzhou hi tech Industry Development Zone, Henan, Zhengzhou Patentee after: Zhengzhou GL Tech Company Address before: 450001 10 Hi Road, Zhengzhou hi tech Industry Development Zone, Henan, Zhengzhou Patentee before: Guangli Science & Technology Development Co., Ltd., Zhengzhou |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: Power Polytron Technologies Inc Address before: 450001 10 Hi Road, Zhengzhou hi tech Industry Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou GL Tech Company |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |